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GLSA-200503-12 : Hashcash: Format string vulnerability

high Nessus Plugin ID 17284

Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-200503-12 (Hashcash: Format string vulnerability)

 Tavis Ormandy of the Gentoo Linux Security Audit Team identified a flaw in the Hashcash utility that an attacker could expose by specifying a malformed reply address.
 Impact :

 Successful exploitation would permit an attacker to disrupt Hashcash users, and potentially execute arbitrary code.
 Workaround :

 There is no known workaround at this time.

Solution

All Hashcash users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=net-misc/hashcash-1.16-r1'

See Also

https://security.gentoo.org/glsa/200503-12

Plugin Details

Severity: High

ID: 17284

File Name: gentoo_GLSA-200503-12.nasl

Version: 1.16

Type: local

Published: 3/7/2005

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.5

CVSS v2

Risk Factor: High

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:hashcash, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Patch Publication Date: 3/6/2005

Vulnerability Publication Date: 3/6/2005

Reference Information

CVE: CVE-2005-0687

GLSA: 200503-12